DeviceIoControl错误代码ERROR_CRC

[高安]

代码如下：
BOOL OpenUSBPort()
{
if (m_hDevice != INVALID_HANDLE_VALUE)
return true;
m_hDevice = CreateFile(
m_DevicePath,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,
NULL);
return m_hDevice != INVALID_HANDLE_VALUE;
}

BOOL Control_Info(HANDLE hDevice,DWORD cntrlCode,LPTSTR buff,DWORD &len)
{
BOOL retFlag;
DWORD retLen;
DWORD waitTimes = 0;
OVERLAPPED overlapped;
memset(&overlapped, 0, sizeof(OVERLAPPED));
overlapped.hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);

retFlag = DeviceIoControl(
hDevice, //HANDLE hDevice,
cntrlCode,//DWORD cntrlCode,
NULL, //LPVOID lpInBuffer,
0, //DWORD nInBufferSize,
buff, //LPVOID lpOutBuffer,
len, //DWORD nOutBufferSize,
&retLen, //LPDWORD lpBytesReturned,
&overlapped // LPOVERLAPPED lpOverlapped
);
WaitForSingleObject(overlapped.hEvent, 2000);
len = retLen;

return retFlag;
}

每次执行的时候错误代码都是ERROR_CRC，按说应该是：ERROR_IO_PENDING，请哪位高手指点一下，谢谢

[高安]

cntrlCode = IOCTL_USBPRINT_GET_1284_ID